/Engine/Plugins/Experimental/VirtualCameraCore/Source/VCamCore/Public/VCamComponent.h
There are three aspects to this component:
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Blueprintable, ClassGroup=VCam, HideCategories=(Mobility), Meta=(BlueprintSpawnableComponent)) class UVCamComponent : public [USceneComponent](API\Runtime\Engine\Components\USceneComponent)
FOnComponentRep...
OnComponentReplaced
There are situations in the editor where the component may be replaced by another component as part of the actor being reconstructed This event will notify you of that change and give you a reference to the new component.